/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * This file is part of retabel.
 *
 * Copyright (c) 2011 by individual contributors as indicated by the
 * @author tags. See the copyright.txt file in the distribution
 * for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.retabel.backendbean;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.myfaces.custom.fileupload.UploadedFile;
import org.retabel.jsf.DocumentConfigurationUriBuilder;
import org.retabel.util.HttpPostClientRequestRunner;
import org.retabel.util.LogLines;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.enterprise.context.RequestScoped;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.context.FacesContext;
import javax.inject.Named;
import java.io.Serializable;
import java.util.List;

@ManagedBean
@RequestScoped
@Named
public class DocumentConfigurationUploadBean implements Serializable {

    // constants

    private static final Logger log = LoggerFactory.getLogger(DocumentConfigurationUploadBean.class);

    // private fields

    private UploadedFile uploadedFile;

    private LogLines logLines = new LogLines(log);

    // private functions

    // public functions

    public void uploadFile() throws Exception {
        if (this.uploadedFile == null) {
            logLines.log("missing upload file");

            return;
        }

        new HttpPostClientRequestRunner<Boolean>(logLines) {
            @Override
            protected HttpEntity getHttpEntity() throws Exception {
                //ByteArrayBody xmlDataParam = new ByteArrayBody(uploadedFile.getContent(), uploadedFile.getContentType(),
                //                                               uploadedFile.getName());

                //MultipartEntity reqEntity = new MultipartEntity();
                //reqEntity.addPart("xmlData", xmlDataParam);

                ByteArrayEntity reqEntity = new ByteArrayEntity(uploadedFile.getBytes());
                reqEntity.setContentType("application/xml");
                return reqEntity;
            }

            @Override
            protected Boolean onSuccess(HttpResponse response, LogLines logLines) throws Exception {
                logLines.log(getResponseContentAsString(response));

                FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("upload successful"));

                return Boolean.TRUE;
            }

            @Override
            protected void onFailure(HttpResponse response, LogLines logLines) throws Exception {
                logLines.log(getResponseContentAsString(response));

                FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "upload failed",
                                                                                    response.getStatusLine().toString()));
            }
        }.run(DocumentConfigurationUriBuilder.getDocumentConfigurationUploadURI());
    }

    // beans

    public UploadedFile getUploadedFile() {
        return uploadedFile;
    }

    public void setUploadedFile(UploadedFile uploadedFile) {
        this.uploadedFile = uploadedFile;
    }

    public List<LogLines.LogLine> getLogLines() {
        return logLines.getLogLines();
    }

}